$OpenBSD: patch-agrep_recursive_c,v 1.1 2016/03/18 16:41:53 naddy Exp $
--- agrep/recursive.c.orig	Thu Nov 21 03:28:43 1996
+++ agrep/recursive.c	Thu Mar 17 22:42:46 2016
@@ -10,6 +10,7 @@
 
 #include "autoconf.h"	/* ../libtemplate/include */
 #include <stdio.h>
+#include <string.h>
 #include <sys/types.h>
 #if	ISO_CHAR_SET
 #include <locale.h>
